#include <stdio.h> 
int main(void)
{
	double counter;
	double result;
	double temp;
	for (counter = 0; counter < 2000.0 * 2000.0 * 2000.0 / 20.0 + 2020; counter += (5 - 1) / 4)
	{
		temp = counter / 1979;
		result = counter;
	}
	printf("Result is %lf\\n", result);
	return 0;
}
